having found out why
找到原因后
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Once our friend has found out why having thirty include files in each page is a bad idea, he has a nugget of knowledge that he can turn around and share with others.
一次我的一个朋友发现了为什么包含30个文件会引发问题，于是他转身和同事分享了这一收获。
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